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10/29/2009 5:12:08 AM EDT
I have just finished building my first AR and have the Magpul MBUS front and rear. For the first time at the range at 25 yards I was consistantly high and right of center. I adjusted the rear sight and could not seem to bring my grouping to the left. I know I need to purchaes the A2 front sight tool to adjust the front, but am concerned about getting the grouping centered for now. Any suggestions would be welcomed.  Thanks.....
10/30/2009 5:43:23 AM EDT
[#1]
I had the exact same problem with my rear MBUS with a standard fsb.  I borrowed a friend's detachable carry handle from an M&P 15 and was able to center the windage with just 5 clicks to the left.  When I got home I looked at the markings on the carry handle and the sight was dead center.  I had used 18 clicks of left windage on my MBUS and it was still shooting right.  I called Magpul and they are sending me a new sight, however they said they are backordered.  Hope this helps!


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